This faded sign to nowhere is a beloved icon in New Zealand.

A gigantic sculpture garden is packed with innovative oddities.

A drowned river valley that was important to the Maori and European settlers.

One of the world's largest Tesla coils.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

A network of fortifications that never saw conflict.

This quiet island in the middle of a bustling city is actually a volcano dotted with Māori ruins.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The platform atop this verdant volcano was built with the help of a royal elephant.

One of Auckland's oldest cemeteries was partially demolished during the construction of a major highway in the 1960s. 

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

This may be the last of London's wooden pavements, which were once a common sight in the city.

This hidden green space is the city's second largest conservatory.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The history of this Moorish castle includes royals, a Mexican-Spanish association, and several attempts at lodging.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

This Gothic church houses ornate royal tombs and a magnificent gilded altarpiece.

Spain's largest bullring offers a unique glimpse at architecture and history.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.